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/*
* PKCS#11 Object
* (C) 2016 Daniel Neus, Sirrix AG
* (C) 2016 Philipp Weber, Sirrix AG
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include <botan/p11_object.h>
#include <map>
namespace Botan {
namespace PKCS11 {
AttributeContainer::AttributeContainer(ObjectClass object_class)
{
add_class(object_class);
}
void AttributeContainer::add_class(ObjectClass object_class)
{
m_numerics.emplace_back(static_cast< uint64_t >(object_class));
add_attribute(AttributeType::Class, reinterpret_cast< uint8_t* >(&m_numerics.back()), sizeof(ObjectClass));
}
void AttributeContainer::add_string(AttributeType attribute, const std::string& value)
{
m_strings.push_back(value);
add_attribute(attribute, reinterpret_cast< const uint8_t* >(m_strings.back().data()), value.size());
}
void AttributeContainer::add_binary(AttributeType attribute, const uint8_t* value, size_t length)
{
m_vectors.push_back(secure_vector<uint8_t>(value, value + length));
add_attribute(attribute, reinterpret_cast< const uint8_t* >(m_vectors.back().data()), length);
}
void AttributeContainer::add_bool(AttributeType attribute, bool value)
{
m_numerics.push_back(value ? True : False);
add_attribute(attribute, reinterpret_cast< uint8_t* >(&m_numerics.back()), sizeof(Bbool));
}
void AttributeContainer::add_attribute(AttributeType attribute, const uint8_t* value, uint32_t size)
{
bool exists = false;
// check if the attribute has been added already
for(auto& existing_attribute : m_attributes)
{
if(existing_attribute.type == static_cast< CK_ATTRIBUTE_TYPE >(attribute))
{
// remove old entries
m_strings.erase(std::remove_if(m_strings.begin(), m_strings.end(), [ &existing_attribute ](const std::string& data)
{
return data.data() == existing_attribute.pValue;
}), m_strings.end());
m_numerics.erase(std::remove_if(m_numerics.begin(), m_numerics.end(), [ &existing_attribute ](const uint64_t& data)
{
return &data == existing_attribute.pValue;
}), m_numerics.end());
m_vectors.erase(std::remove_if(m_vectors.begin(),
m_vectors.end(), [ &existing_attribute ](const secure_vector<uint8_t>& data)
{
return data.data() == existing_attribute.pValue;
}), m_vectors.end());
existing_attribute.pValue = const_cast< uint8_t* >(value);
existing_attribute.ulValueLen = size;
exists = true;
break;
}
}
if(!exists)
{
m_attributes.push_back(Attribute{ static_cast< CK_ATTRIBUTE_TYPE >(attribute), const_cast< uint8_t* >(value), size });
}
}
// ====================================================================================================
ObjectFinder::ObjectFinder(Session& session, const std::vector<Attribute>& search_template)
: m_session(session), m_search_terminated(false)
{
module()->C_FindObjectsInit(m_session.get().handle(), const_cast< Attribute* >(search_template.data()),
search_template.size());
}
ObjectFinder::~ObjectFinder() noexcept
{
try
{
if(m_search_terminated == false)
{
module()->C_FindObjectsFinal(m_session.get().handle(), nullptr);
}
}
catch(...)
{
// ignore error during noexcept function
}
}
std::vector<ObjectHandle> ObjectFinder::find(uint32_t max_count) const
{
std::vector<ObjectHandle> result(max_count);
Ulong objectCount = 0;
module()->C_FindObjects(m_session.get().handle(), result.data(), max_count, &objectCount);
if(objectCount < max_count)
{
result.resize(objectCount);
}
return result;
}
void ObjectFinder::finish()
{
module()->C_FindObjectsFinal(m_session.get().handle());
m_search_terminated = true;
}
// ====================================================================================================
ObjectProperties::ObjectProperties(ObjectClass object_class)
: AttributeContainer(object_class), m_object_class(object_class)
{}
// ====================================================================================================
StorageObjectProperties::StorageObjectProperties(ObjectClass object_class)
: ObjectProperties(object_class)
{}
// ====================================================================================================
DataObjectProperties::DataObjectProperties()
: StorageObjectProperties(ObjectClass::Data)
{}
// ====================================================================================================
CertificateProperties::CertificateProperties(CertificateType cert_type)
: StorageObjectProperties(ObjectClass::Certificate), m_cert_type(cert_type)
{
add_numeric(AttributeType::CertificateType, static_cast< CK_CERTIFICATE_TYPE >(m_cert_type));
}
// ====================================================================================================
KeyProperties::KeyProperties(ObjectClass object_class, KeyType key_type)
: StorageObjectProperties(object_class), m_key_type(key_type)
{
add_numeric(AttributeType::KeyType, static_cast< CK_ULONG >(m_key_type));
}
// ====================================================================================================
PublicKeyProperties::PublicKeyProperties(KeyType key_type)
: KeyProperties(ObjectClass::PublicKey, key_type)
{}
// ====================================================================================================
PrivateKeyProperties::PrivateKeyProperties(KeyType key_type)
: KeyProperties(ObjectClass::PrivateKey, key_type)
{}
// ====================================================================================================
SecretKeyProperties::SecretKeyProperties(KeyType key_type)
: KeyProperties(ObjectClass::SecretKey, key_type)
{}
// ====================================================================================================
DomainParameterProperties::DomainParameterProperties(KeyType key_type)
: StorageObjectProperties(ObjectClass::DomainParameters), m_key_type(key_type)
{
add_numeric(AttributeType::KeyType, static_cast< CK_ULONG >(m_key_type));
}
// ====================================================================================================
Object::Object(Session& session, ObjectHandle handle)
: m_session(session), m_handle(handle)
{}
Object::Object(Session& session, const ObjectProperties& obj_props)
: m_session(session), m_handle(0)
{
m_session.get().module()->C_CreateObject(m_session.get().handle(), obj_props.data(), obj_props.count(), &m_handle);
}
secure_vector<uint8_t> Object::get_attribute_value(AttributeType attribute) const
{
std::map<AttributeType, secure_vector<uint8_t>> attribute_map = { { attribute, secure_vector<uint8_t>() } };
module()->C_GetAttributeValue(m_session.get().handle(), m_handle, attribute_map);
return attribute_map.at(attribute);
}
void Object::set_attribute_value(AttributeType attribute, const secure_vector<uint8_t>& value) const
{
std::map<AttributeType, secure_vector<uint8_t>> attribute_map = { { attribute, value } };
module()->C_SetAttributeValue(m_session.get().handle(), m_handle, attribute_map);
}
void Object::destroy() const
{
module()->C_DestroyObject(m_session.get().handle(), m_handle);
}
ObjectHandle Object::copy(const AttributeContainer& modified_attributes) const
{
ObjectHandle copied_handle;
module()->C_CopyObject(m_session.get().handle(), m_handle, modified_attributes.data(), modified_attributes.count(),
&copied_handle);
return copied_handle;
}
}
}
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